Lac du Dix-Huit is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 320 meters.

• Latitude: 48° 27' 34'' North   (decimal: 48.4594697)
• Longitude: 69° 54' 41'' West   (decimal: -69.9114451)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 320 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac du Dix-Huit
• GPS Coordinate Locator Map: Lac du Dix-Huit Lat/Long